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Ethel Greenglass worked as a clerk for some years after her graduation from high school in 1931. When she married Julius Rosenberg in 1939, the year he earned a degree in electrical engineering, the two were already active members of the Communist Party. In the following year Julius obtained a job as a civilian engineer with the U.S. Army Signal Corps, and he and Ethel began working together to...

Kaufman

U.S. judge who presided over the celebrated case of Julius and
Ethel Rosenberg in 1951 and sentenced them to death in the electric chair after finding them guilty of having conspired to deliver atomic bomb secrets to the Soviet Union; they were the first American civilians to be put to death for espionage in the United States.

Red Scare

...in Korea heightened political emotions as well. Real cases of disloyalty and espionage also contributed, notably the theft of atomic secrets, for which Soviet agent Julius Rosenberg and his wife Ethel were convicted in 1951 and executed two years later. Republicans had much to gain from exploiting these and related issues.